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Finding the Fourth Proportional to 554,339.16, 831,084.84 and 459,277.56

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Solution

The fourth proportional to 554,339.16, 831,084.84 and 459,277.56 is: 688,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,339.16 : 831,084.84 = 459,277.56 : x
  2. Step 2: Convert to fraction form
    554,339.16/831,084.84 = 459,277.56/x
  3. Step 3: Cross multiply
    554,339.16x = 831,084.84 × 459,277.56
  4. Step 4: Simplify right side
    554,339.16x = 381,698,617,468.19
  5. Step 5: Solve for x
    x = 381,698,617,468.19/554,339.16
  6. Step 6: Final answer
    x = 688,565.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.